1. Internet of Things Thrust, Hong Kong University of Science and Technology, Guangzhou, China
2. School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China
3. Department of Electrical Engineering, Technical University of Denmark, Kgs. Lyngby, Denmark
4. Department of Electrical Engineering and Computer Science, University of Wyoming, Laramie, WY, USA
5. Power Dispatching and Control Center, China Southern Power Grid, Guangzhou, China